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Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

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Earth science > Geology

deep source

Earth science; Geology

Place from which the eruption originates.

plume

Earth science; Geology

A geologic process associated with upwelling rock.

magma

Earth science; Geology

Molten rock, containing dissolved gases and suspended solid particles. At the Earth’s surface, magma is known as lava.

gabbro

Earth science; Geology

A coarse-grained igneous rock, chemically equivalent to a basalt.

fluvial

Earth science; Geology

Term used to describe river or stream-related features or processes. Fluvial deposits are sediments deposited by the flowing water of a stream.

incised

Earth science; Geology

A term used to describe down-cutting (downward erosion) by a stream. Incision deepens and often steepens the stream channel.

boulder

Earth science; Geology

Any loose rock (sediment) larger than 256 millimeters (10 inches).